.waterfall_container {
    background-color: #F3F3F1;
    padding: 30px;
}

.waterfall_container h1 {
    font-size: 24px;
    color: rgb(167, 0, 0);
}

.waterfall_container p {
    font-size: 15px;
    line-height: 25px;
    margin-bottom: 20px;
}

.waterfall_container .list {
    line-height: 40px;
    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    font-size: 15px;
    cursor: pointer;
}

.waterfall_container .list span {
    padding: 0 10px;
}

.waterfall_container .list span.choose {
    color: skyblue;
}

.waterfall_container .fail {
    position: relative;
    transition: all 1s;
}

.waterfall_container .fail img {
    position: absolute;
    max-width: 164px;
    transition: all 1s;
}

.waterfall_container .line {
    height: 5px;
    margin-top: 35px;
    border-top: 1px solid rgb(70, 70, 70);
    border-bottom: 3px solid rgb(70, 70, 70);
}